In the center of the plot of the fantastic drama "Ex Machina" a young and very talented programmer named Caleb. One day he gets the chance to spend a whole week in the house of a very rich inventor Nathan, located in a picturesque mountain range. However, going there, Caleb could not even imagine that he would take part in a unique experiment to test artificial intelligence, represented by a female robot named Ava. Ava, it turns out, is very similar to an ordinary person, because she is able to think and analyze as he does, which makes it a real scientific breakthrough. On least communication with a robot, Caleb even is beginning to sometimes perceive its, as the mill girl. But at the same time the hero does not get the feeling that Nathan from it's hiding something. After some time, the experiment gets out of control, and before Caleb becomes a choice of whom to believe – ava or Nathan…